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Thursday, January 24, 2013

A vernier caliper can measure to the nearest 0.1 mm or 0.01 cm. The ten divisions of the vernier scale on the vernier caliper are spaced over 0.9 cm of the main scale and the aim is to select the vernier graduation which is nearest to being in line with a main scale graduation.

In a voltaic cell, two different metals are used to create a potential difference. A higher metal in the electrochemical series ...

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The Power of Teachers

"Any nation is as great, as good, as its citizens make it........It is teachers more than any other single group of people who determine attitudes, and who shape the ideas and aspirations of the nation." Julius Nyerere, 1966